1 /* $OpenBSD: m_attribs.c,v 1.7 2010/01/12 23:22:07 nicm Exp $ */ 2 3 /**************************************************************************** 4 * Copyright (c) 1998-2003,2004 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /**************************************************************************** 32 * Author: Juergen Pfeifer, 1995,1997 * 33 ****************************************************************************/ 34 35 /*************************************************************************** 36 * Module m_attribs * 37 * Control menus display attributes * 38 ***************************************************************************/ 39 40 #include "menu.priv.h" 41 42 MODULE_ID("$Id: m_attribs.c,v 1.7 2010/01/12 23:22:07 nicm Exp $") 43 44 /* Macro to redraw menu if it is posted and changed */ 45 #define Refresh_Menu(menu) \ 46 if ( (menu) && ((menu)->status & _POSTED) )\ 47 {\ 48 _nc_Draw_Menu( menu );\ 49 _nc_Show_Menu( menu );\ 50 } 51 52 /* "Template" macro to generate a function to set a menus attribute */ 53 #define GEN_MENU_ATTR_SET_FCT( name ) \ 54 NCURSES_IMPEXP int NCURSES_API set_menu_ ## name (MENU * menu, chtype attr)\ 55 {\ 56 T((T_CALLED("set_menu_" #name "(%p,%s)"), menu, _traceattr(attr)));\ 57 if (!(attr==A_NORMAL || (attr & A_ATTRIBUTES)==attr))\ 58 RETURN(E_BAD_ARGUMENT);\ 59 if (menu && ( menu -> name != attr))\ 60 {\ 61 (menu -> name) = attr;\ 62 Refresh_Menu(menu);\ 63 }\ 64 Normalize_Menu( menu ) -> name = attr;\ 65 RETURN(E_OK);\ 66 } 67 68 /* "Template" macro to generate a function to get a menu's attribute */ 69 #define GEN_MENU_ATTR_GET_FCT( name ) \ 70 NCURSES_IMPEXP chtype NCURSES_API menu_ ## name (const MENU * menu)\ 71 {\ 72 T((T_CALLED("menu_" #name "(%p)"), menu));\ 73 returnAttr(Normalize_Menu( menu ) -> name);\ 74 } 75 76 /*--------------------------------------------------------------------------- 77 | Facility : libnmenu 78 | Function : int set_menu_fore(MENU *menu, chtype attr) 79 | 80 | Description : Set the attribute for selectable items. In single- 81 | valued menus this is used to highlight the current 82 | item ((i.e. where the cursor is), in multi-valued 83 | menus this is used to highlight the selected items. 84 | 85 | Return Values : E_OK - success 86 | E_BAD_ARGUMENT - an invalid value has been passed 87 +--------------------------------------------------------------------------*/ 88 GEN_MENU_ATTR_SET_FCT(fore) 89 90 /*--------------------------------------------------------------------------- 91 | Facility : libnmenu 92 | Function : chtype menu_fore(const MENU* menu) 93 | 94 | Description : Return the attribute used for selectable items that 95 | are current (single-valued menu) or selected (multi- 96 | valued menu). 97 | 98 | Return Values : Attribute value 99 +--------------------------------------------------------------------------*/ 100 GEN_MENU_ATTR_GET_FCT(fore) 101 102 /*--------------------------------------------------------------------------- 103 | Facility : libnmenu 104 | Function : int set_menu_back(MENU *menu, chtype attr) 105 | 106 | Description : Set the attribute for selectable but not yet selected 107 | items. 108 | 109 | Return Values : E_OK - success 110 | E_BAD_ARGUMENT - an invalid value has been passed 111 +--------------------------------------------------------------------------*/ 112 GEN_MENU_ATTR_SET_FCT(back) 113 114 /*--------------------------------------------------------------------------- 115 | Facility : libnmenu 116 | Function : chtype menu_back(const MENU *menu) 117 | 118 | Description : Return the attribute used for selectable but not yet 119 | selected items. 120 | 121 | Return Values : Attribute value 122 +--------------------------------------------------------------------------*/ 123 GEN_MENU_ATTR_GET_FCT(back) 124 125 /*--------------------------------------------------------------------------- 126 | Facility : libnmenu 127 | Function : int set_menu_grey(MENU *menu, chtype attr) 128 | 129 | Description : Set the attribute for unselectable items. 130 | 131 | Return Values : E_OK - success 132 | E_BAD_ARGUMENT - an invalid value has been passed 133 +--------------------------------------------------------------------------*/ 134 GEN_MENU_ATTR_SET_FCT(grey) 135 136 /*--------------------------------------------------------------------------- 137 | Facility : libnmenu 138 | Function : chtype menu_grey(const MENU *menu) 139 | 140 | Description : Return the attribute used for non-selectable items 141 | 142 | Return Values : Attribute value 143 +--------------------------------------------------------------------------*/ 144 GEN_MENU_ATTR_GET_FCT(grey) 145 /* m_attribs.c ends here */ 146